Reconfigurable metasurface: A systematic categorization and recent advances

C Liu, F Yang, S Xu, M Li - Electromagnetic Science, 2023‏ - ieeexplore.ieee.org
Considering the rapid progress of theory, design, fabrication and applications, metasurfaces
(MTSs) have become a new research frontier in microwave, terahertz and optical bands …

[PDF][PDF] Frequency selective surfaces

TK Wu - Encyclopedia RF Microwave Engineering, 1995‏ - researchgate.net
A frequency-selective surface (FSS) is a structure consisting most typically of two-
dimensional periodic elements, as depicted in Fig. 1, which exhibits frequency filtering …

Oscillator array dynamics with broadband N-port coupling networks

RA York, P Liao, JJ Lynch - IEEE Transactions on Microwave …, 1994‏ - ieeexplore.ieee.org
This paper considers the analysis of an oscillator array with an arbitrary coupling network,
described in terms of N-port circuit parameters. A Kurokawa analysis is used to transform the …

A 100-element HBT grid amplifier

M Kim, EA Sovero, JB Hacker… - IEEE Transactions …, 1993‏ - ieeexplore.ieee.org
A 100-element 10-GHz grid amplifier has been developed. The active devices in the grid are
chips with heterojunction-bipolar-transistor (HBT) differential pairs. The metal grid pattern …

2-D direct-coupled standing-wave oscillator arrays

YJ Chen, TS Chu - IEEE transactions on microwave theory and …, 2013‏ - ieeexplore.ieee.org
A direct-coupled technique for standing wave oscillator (SWO) arrays is presented in this
paper. The oscillation currents of a unit cell in the SWO array directly inject to adjacent cells …

A generalized analysis for grid oscillator design

SC Bundy, ZB Popovic - IEEE transactions on microwave …, 1994‏ - ieeexplore.ieee.org
A full-wave analysis of infinite periodic grid structures loaded with active devices is
presented. The grid consists of arbitrary periodic metal patterns printed on one or both sides …

A 10-watt X-band grid oscillator

JB Hacker, MP De Lisio, M Kim, CM Liu… - 1994 IEEE MTT-S …, 1994‏ - ieeexplore.ieee.org
A 100-transistor MESFET grid oscillator has been fabricated that generates an effective
radiated power of 660 W at 9.8 GHz and has a directivity of 18.0 dB. This corresponds to a …

Transistor oscillator and amplifier grids

RM Weikle, M Kim, JB Hacker… - Proceedings of the …, 1992‏ - ieeexplore.ieee.org
Although quasi-optical techniques are applicable to a large variety of solid-state devices,
special attention is given to transistors, which are attractive because they can be used as …

Phased array operation of a diode grid impedance surface

LB Sjogren, HX Liu, X Qin, CW Domier… - IEEE transactions on …, 1994‏ - ieeexplore.ieee.org
New experimental results have been achieved with monolithic millimeter-wave Schottky
varactor diode arrays. In addition to improved results for such arrays as reflected beam …

Quasi-optical VCOs

T Mader, S Bundy, ZB Popovic - IEEE transactions on …, 1993‏ - ieeexplore.ieee.org
Quasi-optical grid voltage controlled oscillators (VCOs) are presented. These VCOs are the
first demonstration of a quasi-optical system consisting of several periodic arrays loaded …